Cisco was looking at a table of values from a silent board game of y = x2. She said, "This table contains (0,0) so I think it shows a proportional relationship." Is Cisco correct? Why or why not? Homework Help ✎
Proportional relationships do contain the point (0,0), but is she sure that the graph makes a straight line or that the table has points with corresponding ratios?
Examine the graph of x2 below. Why is Cisco incorrect?